ACDelco 11589340 GM OEM Heavy Hex Flange Bolt M10 x 1.5 x 60

The ACDelco 11589340 is a GM Genuine Parts OEM heavy hex flange-head bolt designed for multi-purpose mounting applications across a wide range of GM vehicles. Manufactured to factory specifications, this fastener ensures the same fit, performance, and durability as the original equipment it replaces.

Key Features:

• Thread Size: M10 x 1.5 x 60mm metric specification
• Head Style: Heavy hex flange head — provides an integrated bearing surface that distributes clamping load without requiring a separate washer
• OEM-grade steel construction engineered to GM factory standards
• Ideal for serpentine belt tensioner, power adjust components, and related mounting locations
• Direct factory replacement — no modification required

OEM Cross-References: Replaces GM part numbers 11519187 and 92138257.

As a GM Genuine Parts replacement bolt, the 11589340 delivers the confidence of factory-recommended hardware, helping to maintain the performance and service life your vehicle was built with.